Table 4.7.

Distribution of patients (%) by initial symptoms according to age at onset of multiple sclerosis, among 1096 patients.

Age at onset of multiple sclerosis (years)	Optic neuritis	Diplopia/vertigo	Acute motor	Insidious motor	Balance/limb ataxia	Sensory
<20	23	18	6	4	14	46
20–29	23	12	7	6	11	52
30–39	13	11	7	14	15	44
40–49	9	17	3	31	13	33
≥50	6	13	4	47	11	32

Adapted from Weinshenker et al (1989a)

© 2006